Unable to install WINE in ubuntu 20.04
Solution 1:
The hard way: read the FAQ from Wine and do some testing.
The easier way: install the packages from Ubuntu repositories.
The catch: you have already changed your apt repositories definitions (with the command 'sudo add-apt-repository 'deb https:// dl.winehq.org/ wine-builds/ubuntu/ focal main').
To unroll these changes, you can find a good reference here
When you are done with that, you will use Ubuntu repositories.
And this should install Wine:
sudo apt update
sudo apt install wine